2100011122222 has 16 divisors (see below), whose sum is σ = 3411934485120. Its totient is φ = 963633380832.

The previous prime is 2100011122201. The next prime is 2100011122259. The reversal of 2100011122222 is 2222211100012.

It is a happy number.

It is a super-2 number, since 2×2100011122222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100011122196 and 2100011122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233433822 + ... + 233442817.

It is an arithmetic number, because the mean of its divisors is an integer number (213245905320).

Almost surely, 2^{2100011122222} is an apocalyptic number.

2100011122222 is a deficient number, since it is larger than the sum of its proper divisors (1311923362898).

2100011122222 is a wasteful number, since it uses less digits than its factorization.

2100011122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466876827.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2100011122222 its reverse (2222211100012), we get a palindrome (4322222222234).

The spelling of 2100011122222 in words is "two trillion, one hundred billion, eleven million, one hundred twenty-two thousand, two hundred twenty-two".